Prof. Dr. Ali EKİZ

Prof. Dr. Ali EKİZ

Gynecology and Perinatology (Risky Pregnancy) Specialist

With over 15 years of professional experience, dozens of national and international research articles, and most importantly, his smiling face, Gynecology and Perinatology Specialist Prof. Dr. Ali EKİZ is with you.

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Detailed Ultrasound

What is Detailed Ultrasound? When and How Is It Done?

Detailed ultrasound in pregnancy is the most important ultrasound of pregnancy, performed by a Perinatology Specialist, in which all organs of the fetus are examined in detail, usually between the 20th and 24th weeks of pregnancy. It is known as detailed ultrasound, color ultrasound, second-level ultrasound, or three-dimensional ultrasound. In this article, we have compiled for you what you need to know about detailed ultrasound.

How is Ultrasound done?

Detailed ultrasound; It is done with high-end devices like other normal ultrasounds but with much more features. It is done by a perinatologist. All organs are examined one by one.

For example, heart examination is called Fetal Echo. The cavities, vessels, valves and all blood flows of the heart are examined. The examination of the baby’s brain is called fetal neurosonography. Brain structures, brain cavities, spine and cerebral blood flow are examined.

Other organs, face, abdomen, kidneys, arms and all other parts are examined.

When is Detailed Ultrasound Performed?

Detailed ultrasound is recommended to be done twice for each pregnant woman.

The first is done between 11-14 weeks. In this examination, the fetus has a head-butt distance of approximately 48mm to 84mm. This examination has two purposes. The first is to evaluate the baby’s development and organs. The second is to explain Down Syndrome and other genetic screening tests to the family.

The second is done between 20 and 24 weeks. All organs of the baby are examined in detail.

What is the purpose of detailed ultrasound?

Detailed ultrasound can be done to evaluate a wide variety of conditions. Some of these situations can be listed as follows:

• To determine the location and number of the fetus

• To determine the development and estimated weight of the fetus

• Evaluate fetal water

• Evaluate the fetal organ development

• To plan pregnancy follow-up and treatment if there is a structural anomaly in any organ

• If there is a functional abnormality in organs such as the heart and kidney, to plan the treatment in the womb or after the birth.

• To determine the risk of preeclampsia (pregnancy poisoning)

• To determine the risk of gestational diabetes (gestational diabetes)

• Identifying and realizing emergencies that need to be treated in the womb

• To take fluid from the mother’s womb (amniocentesis) when it is necessary to investigate genetic diseases

Detailed ultrasound in pregnancy is generally recommended as part of routine prenatal care. This examination is completed with a series of screening tests and ultrasonography determined by considering the health status of the expectant mother, family history and other risk factors. In this way, possible problems can be detected at the earliest possible stage and appropriate treatment or counseling can be provided.

Is it colored with detailed Ultrasound?

Detailed ultrasound is essentially a two-dimensional examination, that is, black and white examination is performed as in normal gynecological examinations. Since it is made with a much higher resolution device, it is possible to examine more details.

In this examination, the main colored part is the section called Doppler examination, where blood flows are examined. Thanks to the Doppler examination, it is possible to examine the blood flow from the mother to the baby, the blood flow in the baby’s veins and the blood flow in the heart.

If there is a hole in the heart (VSD, ventricular septal defect) with Doppler examination, it can be detected. It can be detected if there is a blood flow disorder. If the baby has anemia, it can be detected by examining the cerebral blood flow.

So why is it called color? In detailed ultrasound, the baby’s facial image can be shown in three dimensions. Since the families saw the faces of their babies and met them, they transferred them to each other as color ultrasound.

Detailed Is ultrasound done in three dimensions or four dimensions?

Some pregnant women come expecting that they will always see the baby in color on a detailed ultrasound. However, I mentioned earlier that the main examination is two-dimensional.

So why use three-dimensional (3D) and four-dimensional (4D) imaging?

In three- and four-dimensional examinations, the desired organ of the baby is scanned and examination can be made on the data obtained after the scan. For example, a face scan can be taken and a photo can be created by making a face randering if desired. If desired, facial bones can be examined in skeleton mode.

Four-dimensional analysis, on the other hand, can be defined as the real-time one of three-dimensional. In other words, it’s not like taking a face photo, it’s like watching live facial expressions. Another example can be evaluated how the spine and rib movements are in the skeletal mode.

Detailed Ultrasound is done from the abdomen?

Detailed ultrasound is usually done from the abdomen. However, in some cases, it is necessary to use a vaginal probe. For example, if cervical insufficiency (cervical insufficiency) is suspected, vaginal examination gives the most detailed information and the cervix can be examined in great detail. In this examination, the consistency, length and dilatation of the cervix are evaluated.

Another example is low placenta, that is, placenta previa. If the placenta is located below, the relationship between the placenta and the cervix and possible bleeding at birth are evaluated in vaginal ultrasound.

Can Detailed Ultrasound Be Done Again?

This is possible if detailed ultrasound has been done in another center before and it is desired to have it done again. Detailed Ultrasound does not harm the expectant mother and her baby.

Although it is generally done between the 20th and 24th weeks for detailed ultrasound, there are cases that need to be repeated in the following weeks. For example, in some heart diseases, it is important how the heart continues to develop with the gestational week. In some infectious diseases of the mother (such as CMV, Toxoplasma and Parvovirus B19), it can only be understood after 6-8 weeks whether the infection is transmitted to the baby.

How Many Hours Does a Detailed Ultrasound Take?

Detailed ultrasound takes between half an hour and an hour on average. This situation may vary according to the following situations:

• In which weeks of pregnancy the procedure was performed,

• Baby’s size and position

• Suspected anomalies,

• The mother’s being overweight or having had abdominal surgeries

Such factors may prolong the duration of the detailed ultrasound. In fact, it may need to be repeated on another day as the quality of the examination decreases.

MAKE YOUR APPOINTMENT WITH PROF. DR. ALİ EKİZ!

You can make your appointment with Perinatology (Risky Pregnancy) Specialist Prof. Dr. Ali Ekiz via the WhatsApp button.

Other Perinatology Topics

Contact us to get information about Perinatology (High-Risk Pregnancy)
Contact us to get information about Detailed Ultrasound
Contact us to get information aboutFetal Echocardiography
Contact us to get information about Genetic Screening Tests
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